﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WinformTest
{
    public partial class Editform : Form
    {
        public Editform()
        {
            InitializeComponent();
        }

        public Editform(int id, string title, string author)
        {
            InitializeComponent();

            this.id = id;
            txtTitle.Text = title;
            txtAuthor.Text = author;
        }

        private int id;

        //确认保存
        private void button1_Click(object sender, EventArgs e)
        {
            var title = txtTitle.Text;
            var author = txtAuthor.Text;

            //更新
            if (id > 0)
            {
                if (!string.IsNullOrEmpty(title))
                {
                    var sql = string.Format("update Articles set Title = '{0}', Author = '{1}' where Id ={2}", title, author, this.id);
                    var res = DbHelper.AddOrEditOrDeleteSave(sql);

                    if (res == 1)
                    {
                        MessageBox.Show("更新成功！", "提示");
                        this.DialogResult = DialogResult.Yes;
                        this.Close();
                    }
                }
            }
            //新增
            else
            {
                if (!string.IsNullOrEmpty(title))
                {
                    var sql = string.Format("insert into Articles (Title,Author)values('{0}','{1}')", title, author);

                    var res = DbHelper.AddOrEditOrDeleteSave(sql);

                    if (res == 1)
                    {
                        MessageBox.Show("添加成功！", "提示");
                        this.DialogResult = DialogResult.Yes;
                        this.Close();
                    }
                }
                else
                {
                    MessageBox.Show("文章标题不能为空！", "提示");
                }
            }
        }

        //取消
        private void button2_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.No;
            this.Close();
        }
    }
}
